81.
Study of nose and alfactory organs is called

82.
The size of the pupil is controlled by the

83.
Damage to hearing is caused by sounds which exceed

85.
Human beings hearing range is ________

86.
Which lobe of human brain is associated with hearing?

87.
Which of the following organs do not have blood vessels?

88.
Receptors for hearing are located in the

89.
Image of object is formed on which part of eye?

90.
A colour blind person has difficulty in distinguishing which of the two colours?

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